add presentations of preprocessor and macro processor

resources/index.md

@@ -61,6 +61,14 @@ distributed with each Dynare release and also available here:
 <i class="fas fa-file-download"></i> [Sébastien Villemot's Intro to DSGE modeling (in French)](https://git.dynare.org/sebastien/dsge-intro/raw/master/dsge-intro.pdf?inline=false)
 </p>
 
+<p class="indent" markdown="1">
+<i class="fas fa-file-download"></i> [Houtan Bastani and Sébastien Villemot's Preprocessor Tutorial](../assets/team_presentations/preprocessor.pdf)
+</p>
+
+<p class="indent" markdown="1">
+<i class="fas fa-file-download"></i> [Houtan Bastani and Sébastien Villemot's Macro Processor Tutorial](../assets/team_presentations/macroprocessor.pdf)
+</p>
+
 
 # <i class="fas fa-book"></i> Dynare implementations of published models